Heraeus Precious Metals, a global business unit of the Heraeus group, is a leading provider of precious metals services and products. We are one of the world’s largest refiners of platinum group metals and a leading name in industrial precious metals trading. Our extensive product portfolio includes products and services for industrial ammonia oxidation and hydrogen cyanide. We supply catalytic gauzes and secondary catalysts for N2O reduction, as well as support our customers on their choice of best catalyst design.